In some cases it is just a matter of making voltage adjustments on a plasma set to get rid of the spots you are seeing. I would look for a reputable technician in your area to see if this is the case. Good luck...

I have seen this before, it is either the panel driver pcb or the panel itself. Not all manufacters sell the driver pcb by itself. So you have to repalce the panel anyway. The panel will cost you more than the cost of a new tv. So you need to buy a new tv. Sorry for the bad news.

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the set needs to have an adjustment in the panel voltages. this must be done by a qualified tech. the panel has now gotten it's full aging and now needs to be adjusted. this adjustment does not need to be adjusted again after this has been done.

Normal color picture is composed with 3 colors R-G-B (Red-Green-Blue). Picture turns Red means: Missing Green and Blue colors (many reasons: bad contacts, projector tubes dead, and other...). Try to give some "tabs" to diagnose ... I don't know what is the type of your Projection TV, how long you owned it, to have more idea.

I had the same problem with my TV. It was a horizontal problem with different shades of color, and black spots. I replaced my Upper & Lower Y-buffer boards. Your Y-sus board should be okay since it still powers on the screen. You should replace the Y-buffers Upper & Lower, and it should work. I hope this helps.

Could be the screen burn from watching T.V. on a show and the thing burnt in (in this case the colors, yes it can burn colors.) and there's nothing you can do. The insides of the T.V.'s have plasma gases which can flow out of control.

If you wish to get some details; visit the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/
faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.

The speckling is caused by the CTRL board. The firmware needs to be updated. Unfortunately LG does not provide a media slot for downloaded upgrades. You must order an install the factory updated CTRL board located between the power and the Y sustain boards.